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Finding the Fourth Proportional to 6,899.41, 9,503.05 and 5,303.00

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Solution

The fourth proportional to 6,899.41, 9,503.05 and 5,303.00 is: 7,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.41 : 9,503.05 = 5,303.00 : x
  2. Step 2: Convert to fraction form
    6,899.41/9,503.05 = 5,303.00/x
  3. Step 3: Cross multiply
    6,899.41x = 9,503.05 × 5,303.00
  4. Step 4: Simplify right side
    6,899.41x = 50,394,671.39
  5. Step 5: Solve for x
    x = 50,394,671.39/6,899.41
  6. Step 6: Final answer
    x = 7,304.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.